0900AD54B2450 Single Feed IoT Antennas Johanson Technology 0900AD54B2450 Single Feed IoT Antennas are multi-band antennas for sub-GHz (868MHz to 928MHz) and 2.4GHz frequencies. These Johanson antennas can also be tuned to other sub-GHz frequencies and frequencies higher than 2.4GHz. The 0900AD54B2450 antennas are compatible with various RF wireless chipsets, including Texas Instruments CC1352R SimpleLink™ dual-band wireless MCUs and Silicon Labs EFR32FG14P233F256GM48 Flex Gecko wireless SoC. These antennas feature a typical return loss of 6.5dB, 3W maximum power capacity, and operate at -40°C to 85°C temperature range. Typical applications include wearable devices, Internet of Things (IoT), coin cell batteries, and other short-range applications.